COMMIT [Charles Oliver Nutter] Add spec for each_line (and friends) with no separator argument.	http://github.com/rubyspec/rubyspec/commit/2002b8b9071e9e48a72236c9f864d7df0f15c1ec
COMMIT [Charles Oliver Nutter] Add specs for ENV always producing frozen strings in locale encoding, regardless of incoming.	http://github.com/rubyspec/rubyspec/commit/02bc048c201328a72036767820645e3de0a81eaf

===================================================================
+++ 20110401T234312Z
@@ 11812 @@
 ENV.[]
 - returns the specified environment variable
 - returns nil if the variable isn't found
+- returns only frozen values
 
 /home/chkbuild/tmp/build/ruby-1.8-pth/<buildtime>/rubyspec/core/env/element_set_spec.rb
 ENV.[]=
@@ 19547 @@
 /home/chkbuild/tmp/build/ruby-1.8-pth/<buildtime>/rubyspec/core/string/each_codepoint_spec.rb
 /home/chkbuild/tmp/build/ruby-1.8-pth/<buildtime>/rubyspec/core/string/each_line_spec.rb
 String#each_line
+- splits using default newline separator when none is specified
 - splits self using the supplied record separator and passes each substring to the block
 - taints substrings that are passed to the block if self is tainted
 - passes self as a whole to the block if the separator is nil
@@ 19563 @@
 
 /home/chkbuild/tmp/build/ruby-1.8-pth/<buildtime>/rubyspec/core/string/each_spec.rb
 String#each
+- splits using default newline separator when none is specified
 - splits self using the supplied record separator and passes each substring to the block
 - taints substrings that are passed to the block if self is tainted
 - passes self as a whole to the block if the separator is nil
@@ 19897 @@
 
 /home/chkbuild/tmp/build/ruby-1.8-pth/<buildtime>/rubyspec/core/string/lines_spec.rb
 String#lines
+- splits using default newline separator when none is specified
 - splits self using the supplied record separator and passes each substring to the block
 - taints substrings that are passed to the block if self is tainted
 - passes self as a whole to the block if the separator is nil
@@ 40334 @@
 ENV.[]
 - returns the specified environment variable
 - returns nil if the variable isn't found
+- returns only frozen values
 
 
 Finished in <t> seconds
@@ 57053 @@
 
 /home/chkbuild/tmp/build/ruby-1.8-pth/<buildtime>/rubyspec/core/string/each_line_spec.rb
 String#each_line
+- splits using default newline separator when none is specified
 - splits self using the supplied record separator and passes each substring to the block
 - taints substrings that are passed to the block if self is tainted
 - passes self as a whole to the block if the separator is nil
@@ 57077 @@
 
 /home/chkbuild/tmp/build/ruby-1.8-pth/<buildtime>/rubyspec/core/string/each_spec.rb
 String#each
+- splits using default newline separator when none is specified
 - splits self using the supplied record separator and passes each substring to the block
 - taints substrings that are passed to the block if self is tainted
 - passes self as a whole to the block if the separator is nil
@@ 57688 @@
 
 /home/chkbuild/tmp/build/ruby-1.8-pth/<buildtime>/rubyspec/core/string/lines_spec.rb
 String#lines
+- splits using default newline separator when none is specified
 - splits self using the supplied record separator and passes each substring to the block
 - taints substrings that are passed to the block if self is tainted
 - passes self as a whole to the block if the separator is nil